From 8cbdaa4b01ef2fc723c30c175cb4c2ec84b235bf Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 29 Nov 2016 22:19:50 +0100
Subject: [PATCH] ffserver: Add client requested urls to the status page

Fixes Ticket3791

Reviewed-by: "Reynaldo H. Verdejo Pinochet" <reynaldo@osg.samsung.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 ffserver.c                    | 38 ++++++++++++++++++++++++++++++++---
 tests/ffserver-regression.sh  |  2 +-
 tests/ffserver.regression.ref |  2 +-
 3 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/ffserver.c b/ffserver.c
index 20f5995d25..8745181379 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -164,6 +164,7 @@ typedef struct HTTPContext {
     char protocol[16];
     char method[16];
     char url[128];
+    char clean_url[128*7];
     int buffer_size;
     uint8_t *buffer;
     int is_packetized; /* if true, the stream is packetized */
@@ -1920,6 +1921,34 @@ static inline void print_stream_params(AVIOContext *pb, FFServerStream *stream)
      avio_printf(pb, "</table>\n");
 }
 
+static void clean_html(char *clean, int clean_len, char *dirty)
+{
+    int i, o;
+
+    for (o = i = 0; o+10 < clean_len && dirty[i];) {
+        int len = strspn(dirty+i, "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$-_.+!*(),?/ :;%");
+        if (len) {
+            if (o + len >= clean_len)
+                break;
+            memcpy(clean + o, dirty + i, len);
+            i += len;
+            o += len;
+        } else {
+            int c = dirty[i++];
+            switch (c) {
+            case  '&': av_strlcat(clean+o, "&amp;"  , clean_len - o); break;
+            case  '<': av_strlcat(clean+o, "&lt;"   , clean_len - o); break;
+            case  '>': av_strlcat(clean+o, "&gt;"   , clean_len - o); break;
+            case '\'': av_strlcat(clean+o, "&apos;" , clean_len - o); break;
+            case '\"': av_strlcat(clean+o, "&quot;" , clean_len - o); break;
+            default:   av_strlcat(clean+o, "&#9785;", clean_len - o); break;
+            }
+            o += strlen(clean+o);
+        }
+    }
+    clean[o] = 0;
+}
+
 static void compute_status(HTTPContext *c)
 {
     HTTPContext *c1;
@@ -2107,7 +2136,7 @@ static void compute_status(HTTPContext *c)
                 current_bandwidth, config.max_bandwidth);
 
     avio_printf(pb, "<table>\n");
-    avio_printf(pb, "<tr><th>#<th>File<th>IP<th>Proto<th>State<th>Target "
+    avio_printf(pb, "<tr><th>#<th>File<th>IP<th>URL<th>Proto<th>State<th>Target "
                     "bit/s<th>Actual bit/s<th>Bytes transferred\n");
     c1 = first_http_ctx;
     i = 0;
@@ -2127,10 +2156,13 @@ static void compute_status(HTTPContext *c)
 
         i++;
         p = inet_ntoa(c1->from_addr.sin_addr);
-        avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s"
+        clean_html(c1->clean_url, sizeof(c1->clean_url), c1->url);
+        avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td>%s"
                         "<td align=right>",
                     i, c1->stream ? c1->stream->filename : "",
-                    c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "", p,
+                    c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
+                    p,
+                    c1->clean_url,
                     c1->protocol, http_state[c1->state]);
         fmt_bytecount(pb, bitrate);
         avio_printf(pb, "<td align=right>");
diff --git a/tests/ffserver-regression.sh b/tests/ffserver-regression.sh
index b776bad740..17e906086a 100755
--- a/tests/ffserver-regression.sh
+++ b/tests/ffserver-regression.sh
@@ -28,7 +28,7 @@ sleep 2
         fi
         do_md5sum ff-$file >>ffserver.regression
     done
-    wget  $WGET_OPTIONS -O - teststat.html http://localhost:9999/teststat.html > ff-stat 2>/dev/null
+    wget  $WGET_OPTIONS -O - 'http://localhost:9999/teststat.html?abc' > ff-stat 2>/dev/null
     do_md5sum ff-stat >>ffserver.regression
 )
 kill $FFSERVER_PID
diff --git a/tests/ffserver.regression.ref b/tests/ffserver.regression.ref
index ec7b37c6de..8629d528da 100644
--- a/tests/ffserver.regression.ref
+++ b/tests/ffserver.regression.ref
@@ -8,4 +8,4 @@ d41d8cd98f00b204e9800998ecf8427e *ff-test_l.rm
 4c887dfc1dd0f6ea1a3a2be6dd32e495 *ff-test.jpg
 1d04b73b04aad27793cc762d5afabac1 *ff-test_small.jpg
 bc36c40ee34ebee6ffe50f3094aab733 *ff-test.mjpg
-9b72c3d6d89a038fa141fe636baa2c0e *ff-stat
+56c8b3ba2c4f3eebfa6d2a895e042ee3 *ff-stat